US Bridges

Local over Branch Waterloo Creek

Fair

Allamakee County, Iowa · 100061306 · Structure no. 000000000063320

Built
1960
65 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
40 ft
3 main spans
Daily traffic
39
2022 count
Owner
County
County Highway Agency

About this bridge

Local over Branch Waterloo Creek is a concrete continuous culvert carrying Local over Branch Waterloo Creek in Allamakee County, Iowa. It was built in 1960, so it is 65 years old, older than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 39 vehicles a day, projected to reach 39 by 2044. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesLocal
CrossesBranch Waterloo Creek
Location100061306
RouteCounty Highway 0
CountyAllamakee County
StateIowa
Coordinates43.47709, -91.50279
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating50.4 US tons
Inventory rating38.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length40 ft (12.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39 (2022)
Projected traffic39 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Local over Branch Waterloo Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Local over Branch Waterloo Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does Local over Branch Waterloo Creek carry?

About 39 vehicles per day (2022 count).

How long is Local over Branch Waterloo Creek?

The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.7 m).

Who owns Local over Branch Waterloo Creek?

It is owned by the County Highway Agency.